Home / 1,002,494.88-1,503,141.75-319,086.54

Finding the Fourth Proportional to 1,002,494.88, 1,503,141.75 and 319,086.54

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Solution

The fourth proportional to 1,002,494.88, 1,503,141.75 and 319,086.54 is: 478,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,494.88 : 1,503,141.75 = 319,086.54 : x
  2. Step 2: Convert to fraction form
    1,002,494.88/1,503,141.75 = 319,086.54/x
  3. Step 3: Cross multiply
    1,002,494.88x = 1,503,141.75 × 319,086.54
  4. Step 4: Simplify right side
    1,002,494.88x = 479,632,300,137.05
  5. Step 5: Solve for x
    x = 479,632,300,137.05/1,002,494.88
  6. Step 6: Final answer
    x = 478,438.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.